Peter is chosen to find help, but ends up going missing for two months, only to be found as a feral creature with no ability to communicate intelligently. The Griffins must find a way to bring back Peter to his old self in the all-new "Bigfat" episode of FAMILY GUY. Bill Maher guest-Voices.

The all-new episode airs SUNDAY, APRIL 14 (9:00-9:30 PM ET/PT) on FOX. Click here to get a sneak peek!